33 C.F.R. § 159.303 Applicability.
Title 33 - Navigation and Navigable Waters
This subpart applies to each cruise vessel authorized to carry 500 or more passengers operating in the waters of the Alexander Archipelago and the navigable waters of the United States within the State of Alaska and within the Kachemak Bay National Estuarine Research Reserve.
Title 33: Navigation and Navigable Waters
PART 159—MARINE SANITATION DEVICES
Subpart E—Discharge of Effluents in Certain Alaskan Waters by Cruise Vessel Operations
§ 159.303 Applicability.

